Datasheet > AD9848_15

AD9848_15

更新时间： 2025-07-20 01:20:07

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
32页	1455K
描述
CCD Signal Processors with Integrated Timing Driver

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AD9848_15 数据手册

CCD Signal Processors with

Integrated Timing Driver

AD9848/AD9849

PRODUCT DESCRIPTION

FEATURES

The AD9848 and AD9849 are highly integrated CCD signal pro-

cessors for digital still camera applications. Both include a complete

analog front end with A/D conversion, combined with a program-

mable timing driver. The Precision Timing core allows adjustment

of high speed clocks with approximately 1 ns resolution.

AD9848: 10-Bit, 20 MHz Version

AD9849: 12-Bit, 30 MHz Version

Correlated Double Sampler (CDS)

–2 dB to +10 dB Pixel Gain Amplifier (PxGA )

2 dB to 36 dB 10-Bit Variable Gain Amplifier (VGA)

10-Bit 20 MHz A/D Converter (AD9848)

12-Bit 30 MHz A/D Converter (AD9849)

Black Level Clamp with Variable Level Control

Complete On-Chip Timing Driver

The AD9848 is specified at pixel rates of 20 MHz, and the

AD9849 is specified at 30 MHz. The analog front end includes

black level clamping, CDS, PxGA, VGA, and a 10-bit or 12-bit A/D

converter. The timing driver provides the high speed CCD clock

drivers for RG and H1–H4. Operation is programmed using a

3-wire serial interface.

Precision Timing

™ Core with 1 ns Resolution @ 20 MSPS

On-Chip 3 V Horizontal and RG Drivers (AD9848)

On-Chip 5 V Horizontal and RG Drivers (AD9849)

48-Lead LQFP Package

Packaged in a space saving 48-lead LQFP, the AD9848 and

AD9849 are specified over an operating temperature range of

–20°C to +85°C.

APPLICATIONS

Digital Still Cameras

FUNCTIONAL BLOCK DIAGRAM

VRT VRB

VREF

4؎6dB

2dB TO 36dB

VGA

10 OR 12

DOUT

CDS

ADC

PxGA

CCDIN

CLAMP

INTERNAL

CLOCKS

CLPOB

CLPDM

PBLK

CLI

PRECISION

TIMING

CORE

HORIZONTAL

DRIVERS

H1–H4

SYNC

GENERATOR

INTERNAL

REGISTERS

AD9848/AD9849

SCK SDATA

PxGA is a registered trademark and Precision Timing is a trademark of Analog Devices, Inc.

REV. A

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat

may result from its use. No license is granted by implication or otherwise

under any patent or patent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

www.analog.com

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与AD9848_15相关器件

型号	品牌	获取价格	描述	数据表
AD9849	ADI	获取价格	CCD Signal Processors with Integrated Timing Driver
AD9849AKST	ADI	获取价格	CCD Signal Processors with Integrated Timing Driver
AD9849AKST	ROCHESTER	获取价格	SPECIALTY CONSUMER CIRCUIT, PQFP48, 1.40 MM HEIGHT, PLASTIC, MS-026BBC, LQFP-48
AD9849AKSTRL	ADI	获取价格	IC SPECIALTY CONSUMER CIRCUIT, PQFP48, 1.40 MM HEIGHT, PLASTIC, MS-026BBC, LQFP-48, Consum
AD9849AKSTRL	ROCHESTER	获取价格	SPECIALTY CONSUMER CIRCUIT, PQFP48, 1.40 MM HEIGHT, PLASTIC, MS-026BBC, LQFP-48
AD9849AKSTZ	ADI	获取价格	CCD Signal Processors with Integrated Timing Driver
AD9849AKSTZRL	ADI	获取价格	12-Bit, 30 MHz CCD Signal Processor with Integrated Timing Driver
AD9849AKSTZRL	ROCHESTER	获取价格	SPECIALTY CONSUMER CIRCUIT, PQFP48, 1.40 MM HEIGHT, PLASTIC, MS-026BBC, LQFP-48
AD9849KST	ADI	获取价格	CCD Signal Processors with Integrated Timing Driver
AD9849_15	ADI	获取价格	CCD Signal Processors with Integrated Timing Driver

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